Abstract: An image processing apparatus includes a calculation to calculate a compression gain that is applied to a low-frequency component of an input image and an amplification gain that is applied to a high-frequency component of the input image, a generation to generate a display image in which a pixel value of a pixel of the input image is corrected based on the compression gain and the amplification gain calculated by the calculation unit, and a display to display the display image.

Abstract: Introduce CMOS pixel array into dark environment and acquiring video image frames. During a first frame, reset each row of pixels sequentially, and one row at a time, and then read each row of pixels sequentially, and one row at a time. During a second frame, reset each row of pixels sequentially, and one row at a time, and then read each row of pixels sequentially, and one row at a time. Control a light source to illuminate the dark environment during at least a portion of a vertical blanking period between the reading of the last row during the first frame and the reading of the first row during the second frame. Control the light source to not illuminate the dark environment: (a) between the reading the first and last rows during the first frame; and (b) between the reading the first and last rows during the second frame.

Abstract: Provided is a fluorescence observation apparatus including a fluorescence-image generating portion that generates a plurality of fluorescence images by capturing fluorescence from an observation subject at a time interval; a position identifying portion that, in the individual fluorescence images generated by the fluorescence-image generating portion, identifies high-luminance positions having gradation values equal to or greater than a predetermined threshold; a storage portion that stores the high-luminance positions identified by the position identifying portion; a track-image generating portion that generates a track image that has gradation values at the plurality of high-luminance positions stored in the storage portion; and a display portion that displays the track image generated by the track-image generating portion.

Abstract: A camera system with lighting strength control includes: an image sensor for capturing images of a scene; a light source for illumination of the scene; and a signal generator, in communication with the image sensor and the light source, for generation of (a) a first signal for controlling image capture by the image sensor and (b) a second signal for controlling a duty cycle of the light source. A method for controlling the lighting strength of a camera system, which includes an image sensor, an associated light source, and an associated signal generator, includes: (a) generating, using the signal generator, a first signal that controls image capture by the image sensor, and (b) generating, using the signal generator, a second signal that controls a duty cycle of the light source.

Abstract: A narrow-band observation image and a spectral estimation image are automatically switched based on the type of a subject. In an endoscopic image obtained by a scope, judgment is made as to whether the endoscopic image was obtained by close-up imaging or by distant-view imaging. When it is judged that the endoscopic image was obtained by distant-view imaging, white light is output from a light source unit and a spectral estimation image is output. When it is judged that the endoscopic image was obtained by close-up imaging, narrow-band light is output from the light source unit and a narrow-band observation image that has been obtained when the narrow-band light was output is output.

Abstract: An endoscope includes an insertion portion having an elongated shape, an imaging unit provided at a distal portion of the insertion portion and configured to acquire an image of a specimen, a lighting unit configured to illuminate an observation field of view of the imaging unit, and a pattern projector having a light source configured to emit projection light to project a light and dark pattern on the specimen. The pattern projector generates a region, in which the light and dark pattern is not projected, in at least one end of a direction in which stripes of the light and dark pattern are arranged in an imaging field of view of the imaging unit, in a state in which the light and dark pattern is projected on the specimen.

Abstract: In an image-obtainment-apparatus that obtains an image of an observation-region by imaging, by an imaging-device, light output from the observation-region illuminated with illumination-light, when the light-amount of the illumination-light illuminated the observation-region is less than or equal to first-threshold-value, the electronic-shutter-speed is controlled at first-constant-speed, and the light-amount of the illumination-light is controlled based on the light-amount of the illumination-light illuminated the observation-region. When the light-amount of the illumination-light illuminated the observation-region is greater than first-threshold-value and less than or equal to second-threshold-value, the electronic-shutter-speed is controlled at a speed based on the light-amount of the illumination-light illuminated the observation-region, and the light-amount of the illumination-light is controlled at a predetermined constant light-amount.

Abstract: An image pickup device includes: an image pickup element; a spacer surrounding a light receiving surface of the image pickup element; a cover glass attached to the spacer, the cover glass being disposed opposing to the light receiving surface; and an insulative resin configured to thermally couple the image pickup element with the cover glass, and to have a thermal conductivity of not less than 8 W/mK. An endoscope includes: the image pickup device; an image pickup optical system; a drive circuit; a light guide configured to radiate light from a illumination light source; a tubular body configured to accommodate the image pickup device, the image pickup optical system, the drive circuit, the light guide, and a forceps opening; and a first insulative resin having a thermal conductivity of not less than 8 W/mK, and adapted to thermally couple the image pickup device with the drive circuit.

Abstract: Provided is an endoscope system including an endoscope which includes an illumination optical system having a fluorescent substance and an imaging optical system having an imaging element; and a control device which is connected to the endoscope. The control device includes a light source unit having a semiconductor light emitting element generating excitation light used to excite the fluorescent substance, a storage section storing predetermined color correction information, and an image processing section creating captured image data by performing a calculation process on an image signal output from the imaging element on the basis of the color correction information. At least one of optical characteristics of the fluorescent substance and the semiconductor light emitting element is detected, and the color correction information stored in the storage section is corrected on the basis of the detected optical characteristic.

Abstract: A camera hand-piece for medical use includes a lighting system, an optical window, a fixed part in turn having an optical system for acquiring images through an optical window, an image sensor, electronic circuits for image processing, and optionally a prism. The hand-piece has an external part, which is mobile with respect to the internal fixed part, and rotatably commutable between at least two different working positions having different optical or lighting features, which are freely selectable by an operator. In one embodiment, the lighting system for lighting the framed field is positioned in the internal fixed part of the camera hand-piece, and the mobile distal part, non comprising electronic parts, can be sterilized in an autoclave.

Abstract: Provided is an endoscope apparatus including a light-guiding part that guides illumination light emitted from a light source to the distal end of an inserted portion; a scanning part that makes the light-guiding part vibrate with a predetermined period, thus two-dimensionally scanning the illumination light emitted from the inserted portion on an observation subject; an image-acquisition part that receives return light of the illumination light coming from the observation subject and that generates an image signal based on a position scanned by the scanning part and an intensity of the return light; and a light-source control part that controls the light source so as to change the intensity of the illumination light emitted from the inserted portion in accordance with an angle formed between the longitudinal direction of the inserted portion and a direction in which the illumination light is emitted toward the observation subject.

Abstract: In an endoscope apparatus, a first color separation section separates an image picked up by an image pickup section into a first luminance signal and a first color difference signal, then a first color conversion section and a second color separation section convert the first luminance signal and the first color difference signal to first three primary color signals and second three primary color signals respectively, a signal intensity ratio calculation circuit calculates a signal intensity ratio among the first three primary color signals, matrix coefficients of the second color separation section are changed based on the calculated signal intensity ratio and the second color separation section converts the first luminance signal and the second color difference signal to the second three primary color signals.

Abstract: Provided is an endoscope system including: a light source apparatus detecting which color LED fails by a color sensor; a scope that irradiates a subject with illuminating light and takes in an optical image of the subject; a CCD that picks up an image of the optical image of the subject; a video processor that processes the picked up image; and a monitor that displays a processed image, wherein if a failure of any of the LEDs is detected by the color sensor, the light source apparatus generates illuminating light using LEDs of colors other than a color of the light-emitting device for which the failure is detected, and wherein the video processor switches image processing to image processing according to a color of the LED for which the failure is detected.

Abstract: An electronic endoscope system, including: a light source that emits light having a visible light wavelength region; an optical filter that has transmission peaks at least at two particular wavelengths in a continuous wavelength region including the visible light wavelength region and has a transmissivity higher than zero and lower than a half of each transmission peak between the transmission peaks of the at least two particular wavelengths, the optical filter having a transmissivity of zero at a wavelength region other than an interval between the transmission peaks of the at least two particular wavelengths; a solid-state image pick-up device that receives reflected light from an object which is irradiated with illumination light via the optical filter; and an image generation unit configured to generate a color image to be displayed on a monitor by processing an image signal outputted by the solid-state image pick-up device.

Abstract: Provided is a fluoroscopy apparatus including illuminating portions that radiate excitation light and illumination light onto an imaging subject; a fluorescence imaging portion that acquires a fluorescence image from fluorescence emitted at the imaging subject due to the irradiation with the excitation light; a return-light imaging portion that acquires a return-light image from return light returning from the imaging subject due to the irradiation with the illumination light; a display portion that displays the acquired fluorescence image and/or the return-light image; an identifying portion that identifies a region-of-interest in the fluorescence image; an image switching portion that switches the display on the display portion so that only the return-light image is displayed thereon when the region-of-interest R is not identified, and so that the return-light image and the fluorescence image are juxtaposed and displayed on the display portion when the region-of-interest has been identified.

Abstract: Provided is a fluorescence observation apparatus including an illumination unit that irradiates an object with illumination light and excitation light; a fluorescence-image acquisition unit that captures an image of the fluorescence generated by the object, thereby acquiring a fluorescence image; a return-light-image acquisition unit that captures an image of the return light returning from the object, thereby acquiring a return-light image; a light-distribution-characteristics-information storage unit that stores information with regard to the light distribution characteristics of optical systems; an image correcting unit that corrects at least one of the fluorescence image and the return-light image using the information so that the light distribution characteristics contained in the fluorescence image and the return-light image are made equal to each other; and an image normalizing unit that normalizes the fluorescence image on the basis of the return-light image, using the corrected fluorescence image and

Abstract: An endoscope includes: an objective optical section including a first barrel; an image pickup optical section including a solid image pickup device, an optical member forming an optical image through the objective optical section on an image pickup surface of the solid image pickup device, and a second barrel housing the optical member and the solid image pickup device, the second barrel fixed to the first barrel after positional adjustment in an axial direction relative to the first barrel; a holding member formed of material having a linear expansion coefficient lower than linear expansion coefficients of the first and second barrels, and fixed to outer surfaces of the first and second barrels; a first adhesive that bonds the first barrel and the second barrel; and a second adhesive having a bonding strength higher than that of the first adhesive, which bonds the holding member to the first and second barrels.

Abstract: In one embodiment, an element 106 transforms non-polarized light into plane polarized light with an arbitrary plane of polarization. A synchronizer 112 gives the element 106 an instruction to rotate the plane of polarization, thereby getting the plane of polarization of the illumination rotated and casting that polarized illumination toward the object. At the same time, the synchronizer 112 sends a shooting start signal to an image sensor 110, thereby getting video. The synchronizer 112 performs these processing steps multiple times. A captured video signal is sent to an image processing processor 108. Candidates for the azimuth angle of a surface normal are obtained based on an intensity maximizing angle image, the zenith angle of the surface normal is obtained based on a degree of intensity modulation image, and the ambiguity of the azimuth angle is solved, thereby generating a surface groove normal image.

Abstract: A medical system includes an image pickup device configured to output, as image information, an electric signal after photoelectric conversion from a plurality of pixels, and a processing device that is connected to the image pickup device to allow bi-directional communication. The image pickup device includes a signal processing unit configured to perform a process of converting the electric signal into the image information, and to generate heat accompanying the process, a temperature detector that is provided in vicinity to the signal processing unit, and is configured to detect temperature of the signal processing unit, and an output unit configured to output temperature information on the temperature detected by the temperature detector, together with the image information. The processing device includes a controller configured to control the image pickup device based on the temperature information input from the output unit.

Abstract: An image pickup apparatus includes first and second irradiation units that emit first light and second light, respectively, an image pickup unit that outputs, as pixel information, an electrical signal after photoelectric conversion from a pixel arbitrarily designated as a read target among pixels, a setting unit that arbitrarily sets a pixel as the read target and a read order in the image pickup unit, a control unit that controls irradiation processes in the first and second irradiation units and changes the pixel as the read target and the read order according to a type of an irradiation unit that emits light, a reading unit that reads the pixel information by causing the pixel information to be output from the pixel set as the read target, in accordance with the read order, and an image processing unit that generates an image from the pixel information read by the reading unit.

Abstract: A method of imaging a target using a miniaturized imaging device is disclosed comprising providing a miniaturized imaging device having a stationary lens system and an imaging array, wherein the distance from a distal end of the stationary lens system to the imaging array is fixed. The miniaturized imaging device is advanced near the desired target and a distance from a distal end of the stationary lens system to the desired target is determined. A desired wavelength of light is calculated based on the determined distance from the distal end of the stationary lens system to the desired target and the desired wavelength of light is propagated onto the target.

Abstract: Devices, systems and methods for displaying in-vivo images at variable rate. For example, a system includes a processor to gradually increase a frame display rate of an in-vivo image stream based on a similarity among two or more in-vivo frames of the in-vivo image stream.

Abstract: An endoscope apparatus includes: an endoscope which includes an imaging optical system and an illumination optical system; and a control unit which includes light source units and connected to the endoscope and supplying at least excitation light to the illumination optical system, and an image processing section correcting an image signal output from the imaging element on the basis of a predetermined color correction table. The control unit performs a calibration process in such a manner that an image of a color chart having a plurality of color patches with known chromaticity values is captured by an imaging element, chromaticity for each of the plurality of color patches is obtained from an imaging signal of the color chart, and the contents of the color correction table are changed.

Abstract: An endoscopic system includes an endoscope including: a light source of illumination light that illuminates inside of a test subject; an illumination light exit, from which the illumination light is emitted; and an objective optical system configured to form an image of the inside of the test body illuminated by the illumination light. The endoscopic system further includes: regular reflection light detection means configured to detect blown-off highlights in an image formed by the objective optical system; and illuminance distribution changing means configured to change illuminance distribution of the illumination light when blown-off highlights are detected. The endoscopic system can reduce interference by blown-off highlights due to regular reflection during observation with the endoscope.

Abstract: An endoscope apparatus includes: a light source device radiating at least one or more illumination lights having a predetermined wavelength band to a subject, and an image pickup device picking up an image of a return light from the subject. A band decomposition processing section of a video processor performs processing for decomposition into multiple spatial frequency bands, for a first image signal having a peak wavelength of spectral characteristic, between a wavelength band including a maximum value and a wavelength band at a minimum value with regard to an absorption characteristic of living tissue after image pickup by the image pickup device. An emphasis processing section of the video processor performs emphasis processing on the basis of a band image signal with a lowest spatial frequency among multiple band image signals obtained by the decomposition processing to generate an emphasis-corrected image signal.

Abstract: An image pickup system is an image pickup system in which an image pickup device arranged at a distal end of an insertion section of an endoscope and a processor can communicate with each other. A group of multiple control parameters to be collectively transmitted and checksum codes related to the parameters are transmitted from the processor to the image pickup device, and the image pickup device reflects the control parameters on a register only when all the received multiple control parameters are normal, on the basis of the checksums.

Abstract: An endoscope has an illuminating-light exit portion that allows illuminating light for illuminating an object to exit, and an observing portion that captures an image of the object. The endoscope includes a changing unit configured to change a light quantity distribution of the illuminating light. The changing unit changes the light quantity distribution of the illuminating light based on information of the image captured by the observing portion.

Abstract: A method of one aspect may include receiving an encapsulated image acquisition device having an internal memory. The internal memory may store images acquired by the encapsulated image acquisition device. The images may be transferred from the internal memory to an external memory that is external to the encapsulated image acquisition device. An image analysis station may be selected from among a plurality of image analysis stations to analyze the images. The images may be analyzed with the selected image analysis station. Other methods, systems, and kits are also disclosed.

Abstract: A method of one aspect may include receiving an encapsulated image acquisition device having an internal memory. The internal memory may store images acquired by the encapsulated image acquisition device. The images may be transferred from the internal memory to an external memory that is external to the encapsulated image acquisition device. An image analysis station may be selected from among a plurality of image analysis stations to analyze the images. The images may be analyzed with the selected image analysis station. Other methods, systems, and kits are also disclosed.

Abstract: Observation is performed at a more appropriate sensitivity without reducing an image quality. Provided is a fluorescence observation device (1) including: an excitation light source (3) that emits excitation light to be radiated onto a subject (A); a fluorescence-image acquiring section (21) provided with an imaging element (18) that acquires a fluorescence image (G2) by imaging fluorescence produced in the subject (A) when the excitation light emitted from the excitation light source (3) is radiated onto the subject (A); and a sensitivity adjusting section (22) that adjusts, based on luminance information of the fluorescence image (G2) acquired by the imaging element (18) of the fluorescence-image acquiring section (21), a number of pixels for binning summing (B) and/or an exposure time (t) in the imaging element (18) such that a SN ratio of the fluorescence image (G2) is equal to or larger than a predetermined threshold.

Abstract: A capsule endoscope includes: a light emitting unit; an imaging unit; an image signal processing unit; and a setting unit that controls the light emitting unit and the imaging unit to perform pre-exposure, measures at least one of a light emission time and a light emission intensity, sets the measured time or intensity for a main exposure process when the measured time or intensity is within a predetermined acceptable range, and sets at least one of the preset light emission time and light emission intensity for the main exposure process when the measured time or intensity is out of the acceptable range, wherein an acquisition process of an image is performed in accordance with the set light emission time or the set light emission intensity.

Abstract: The invention includes: a light source section generating illumination lights in plural different wavelength bands; a first polarization element polarizing, in a first direction, a light in a first wavelength band among the illumination lights or returned lights from a subject; a second polarization element polarizing, in a second direction, a light in a second wavelength band among the illumination lights or returned lights; an image pickup device generating a first image pickup signal based on polarized light from the first polarization element and a second image pickup signal based on polarized light from the second polarization element; and an image processing section that compares intensities of the first and second image pickup signals, calculates the first or second direction corresponding to the image pickup signal having a higher intensity, as a polarization direction of the subject, and outputs a signal for displaying information on the polarization direction.

Abstract: An image capturing apparatus includes: a light irradiation section that irradiates a subject with a plurality of irradiation light rays resulting from combining light rays having respectively different spectrum forms in respectively different combinations, at respectively different timings; and an image capturing section that captures a plurality of images of the subject irradiated with the plurality of irradiation light rays, at respectively different timings.

Abstract: Observation is performed at a more appropriate sensitivity without causing deterioration of the image quality. Provided is a fluorescence observation apparatus including an excitation light source that emits excitation light to be radiated onto an imaging subject; a fluorescence-image acquisition portion that is provided with an imaging device that acquires fluorescence images by capturing fluorescence generated at the imaging subject due to the irradiation with the excitation light emitted from the excitation light source; and a sensitivity adjusting portion that adjusts an number of pixels for binning summing and/or an exposure time for the imaging device on the basis of luminance information of the fluorescence image acquired by the imaging device of the fluorescence-image acquisition portion so that an SN ratio of the fluorescence image becomes equal to or higher than a predetermined threshold.

Abstract: An imaging apparatus has: a light source emitting first and second lights having different intensities as light illuminating a subject; a sensor in which pixels each generating an electric signal by receiving light and performing photoelectric conversion are arranged two-dimensionally, the sensor reading, as pixel information, the signals generated by target pixels of the pixels; an imaging controller that causes the sensor to: subject parallel lines each configured of the target pixels, to light exposure per line; and sequentially perform reading of the pixel information in the line for which the light exposure has been completed; and a light source controller that performs control to cause the light source to emit any one of the first and second lights per one-frame period being a time period necessary from reading of a first line to reading of a last line when the sensor reads the signals from the target pixels.

Abstract: Apparatus and methods are provided for the imaging of structures in deep tissue within biological specimens, using spectral imaging to provide highly sensitive detection. By acquiring data that provides a plurality of images of the sample with different spectral weightings, and subsequent spectral analysis, light emission from a target compound is separated from autofluorescence in the sample. With the autofluorescence reduced or eliminated, an improved measurement of the target compound is obtained.

Abstract: Imaging apparatus performs controlling to read pixel information from pixels belonging to target area by each frame. One frame period is period from when an exposure period for exposing pixels on a horizontal line that is to be read first from among horizontal lines belonging to the target area of a sensor is started and until when reading of the pixel information generated by each of the pixels on the horizontal line is completed. The imaging apparatus sequentially emits, by each illumination period of a length corresponding to at least two frame periods, illumination lights in synchronization with start of the exposure period. The imaging apparatus performs a predetermined controlling by performing controlling to exclude, from predetermined processing target, image data corresponding to the pixel information read during first frame period of the illumination period, while by acquiring image data corresponding to the pixel information read during other frame period.

Abstract: An embodiment of the present invention provides a method for digital television demodulation, comprising using adjacent-channel power dependent automatic gain control (AGC) for the digital television demodulation, wherein an AGC technique takes into account a total power as well as power of adjacent channels to control gain of a gain control amplifier.

Abstract: According to the invention, a processor CPU includes a scope information extracting section, a light source information extracting section, a main white balance searching section, a sub-white-balance extracting section, a main white balance update section, a sub-white-balance update section, and an image processing control section.

Abstract: An image display device includes: an external light measurement unit measuring the illuminance of an external light a plurality of times, and generating a measurement value indicating the illuminance; a storage unit storing history data which shows the measurement values, and color mode data which shows a correspondence between the illuminance and a color mode; a determination unit, based on the history data, determining whether or not it is a changed condition wherein the illuminance changes upward or downward, or the illuminance fluctuates; and an adjustment unit, in the event that it is not the changed condition, determining the color mode to be applied based on the measurement values and the color mode data, and adjusting the color or brightness of an image in accordance with the color mode, and in the event that it is the changed condition, continuing the adjustment currently being applied as the image adjustment.

Abstract: An endoscope apparatus includes image pickup section that outputs a first picked-up image based on illuminating light of a first band, and a second picked-up image based on the illuminating light of a second band within a predetermined time period, brightness calculating section that calculates a first brightness by color conversion matrix processing using a first image pickup signal and a second image pickup signal based on illumination of the second band by first predetermined times, and calculates a second brightness by color conversion matrix processing using the first image pickup signal and a second image pickup signal based on illumination of the second band by times other than the first predetermined times, and synthesizing section that synthesizes the first and the second image pickup signals based on a ratio of a difference value of the first brightness and a target brightness, and the second brightness.

Abstract: A reflected light image of an observed region and a fluorescent light image of the observed region based on fluorescent light that is generated from the observed region are acquired. The variation component of the acquired latest reflected light image is detected on the basis of the latest reflected light image and an old reflected light image. A correction process is performed on the luminance value of the latest reflected light image taking the variation component into account. A normalization process is performed on the luminance value of the fluorescent light image using the luminance value of the reflected light image after the correction process, which sharpens the image of the region in the observed region from which the fluorescent light is generated.

Abstract: An image processing apparatus includes an image separation unit, a correction illumination calculation unit, and an output controller. The image separation unit is configured to separate, from a captured image, an image captured in illumination of a measurement light mode in which an illumination intensity distribution is set to a predetermined spatial distribution. The correction illumination calculation unit is configured to calculate an illumination intensity distribution in a correction light mode in which illumination corresponding to an object is provided, based on the image separated in the image separation unit. The output controller is configured to perform output control of illumination light based on the illumination intensity distribution calculated in the correction illumination calculation unit.

Abstract: Provided are a plurality of semiconductor light emitting elements having different central light emission wavelengths, a multiplexer means for multiplexing lights, and a central wavelength converting means for controlling a light emission amount ratio of the plurality of semiconductor light emitting elements by the use of a wavelength conversion table in which a central wavelength of multiplexed laser light is obtained on the basis of information of a light emission amount and the central light emission wavelengths. Accordingly, the central wavelength of the multiplexed light is controlled to be a predetermined wavelength.

Abstract: An endoscope apparatus includes a light source apparatus, and a light-adjusting circuit. The light-adjusting circuit, based on a first image signal with a first wavelength band having a peak wavelength of a spectral characteristic and a second image signal with a second wavelength band having a peak wavelength of a spectral characteristic providing a value lower than that of the first image signal in the absorption characteristic and providing a suppressed scattering characteristic of the body tissue between a wavelength band providing a maximal value and a wavelength band for a minimal value in an absorption characteristic of a body tissue of a subject, provides a weight larger than that of the second image signal to the first image signal to calculate a light adjustment signal for adjusting a light amount in a light source apparatus and outputs the light adjustment signal.

Abstract: A contact measuring endoscope apparatus includes a case located at a front end of the apparatus to define a accommodating space; a contact probe connected to and projected from an end of the case by a fixed distance; a light emitting element for emitting light; an image pickup lens arranged in the accommodating space for gathering light reflected from an external object to be measured, so as to form an optical image; a light sensor arranged in the accommodating space to locate adjacent to one side of the image pickup lens for converting the optical image into a digital image; and a measuring module. When the contact probe is caused to contact the object to be measured, a fixed distance between the image pickup lens and the object can be maintained and therefore the digital image can be in the fixed scale.

Abstract: An endoscope system includes an endoscope and a control device. The endoscope includes an illumination optical system with a fluorescent body formed in an optical path and an imaging optical system with an imaging element outputting an imaging signal of an optical image. The control device includes a light source unit which supplies an excitation light to the illumination optical system so as to emit light from the fluorescent body and an image processing section which corrects the imaging signal output from the imaging element. The image processing section includes: an illumination light spectrum calculating unit, a chromaticity correction table creating unit and an image correcting unit.

Abstract: A stripe noise correction method of a captured image includes: storing a value calculated by rounding off a portion below the decimal point of a stripe noise value into a memory as correction data of an integer part that corrects a stripe noise for each color; and storing the magnitude of a quantization error calculated by rounding off for each color and for each pixel column or each pixel row into the memory as correction data of a fractional part; and correcting captured image signals of the image captured by a image sensor with the correction data of the integer part and the fractional part read from the memory.

Abstract: The present invention provides a system and method for obtaining in vivo images. The system contains an imaging system and a transmitter for transmitting signals from a camera to a receiving system located outside a patient.

Abstract: In a medical device, a field-of-view switching mechanism which moves a field of view imaged by an observation section, and an illumination-light switching mechanism including an illumination section having an illumination range of illumination light whose entire field of view is covered by movement, are configured integrally with each other. The illumination light is illuminated to the current field of view by moving the illumination range of the illumination light, in synchronism with pivoting of an observation and in compliance with the field of view.